Latest Optoelectronics Articles and Videos

In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value…

In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination of standard electronic and surface mount components.

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.

Producing qubits has been prohibitively expensive in the quantum computing game. Can aluminum nitride help even the playing field?

Producing qubits has been prohibitively expensive in the quantum computing game. Can aluminum nitride help even the playing field?

What's inside a modern graphing calculator? Take a look in this Teardown Tuesday!

What's inside a modern graphing calculator? Take a look in this Teardown Tuesday!

Good news for those looking forward to quantum computing. A team of physicists from the Hebrew University of Jerusalem in…

Good news for those looking forward to quantum computing. A team of physicists from the Hebrew University of Jerusalem in Israel have developed a single photon source that is not only compact, but also operates at ambient temperatures.

A research team consisting of Stanford and NMSU engineers may have found a material capable of revolutionizing the 2D…

A research team consisting of Stanford and NMSU engineers may have found a material capable of revolutionizing the 2D memory semiconductor market.

A research team based in Singapore has set the stage for major advancements with 2D semiconductors.

A research team based in Singapore has set the stage for major advancements with 2D semiconductors.

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

OLED displays might finally have the advantage they need to sweep the smartphone market.

OLED displays might finally have the advantage they need to sweep the smartphone market.

Build a generator-powered LED headlight for a longboard for very cheap.

Build a generator-powered LED headlight for a longboard for very cheap.

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your…

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.

In this Teardown Tuesday, we're going to take a look at the insides of a low cost (<$30 USD) smartwatch.

In this Teardown Tuesday, we're going to take a look at the insides of a low cost (<$30 USD) smartwatch.

This article provides additional details related to code development, hardware configuration, and the OLED interface.

This article provides additional details related to code development, hardware configuration, and the OLED interface.

Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.

Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.

CAT's S60 turned heads at MWC 2016 when they unveiled the S60, a waterproof phone with thermal imaging capability, but is…

CAT's S60 turned heads at MWC 2016 when they unveiled the S60, a waterproof phone with thermal imaging capability, but is it a practical phone for consumers?

Mitsubishi plans to commercially release a system that can display floating images by 2020. How do they work?

Mitsubishi plans to commercially release a system that can display floating images by 2020. How do they work?

Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.

Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.

Learn how to read electrical signals and data from an analog device using the Step Response technique in Part 5 of the…

Learn how to read electrical signals and data from an analog device using the Step Response technique in Part 5 of the Building Raspberry Pi Controllers series.

Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more…

Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more consistent results. Building a microprocessor controlled reflow oven is well within the abilities and budget of many hobbyists.